On 04/26/2013 06:52:47 PM, Paul Mackerras wrote:
On Fri, Apr 26, 2013 at 12:13:33PM -0500, Scott Wood wrote:
> Also please note that we no longer hold kvm->lock during device
> creation, so your EEXIST check looks racy.
Huh? Patch 2/8 adds this code:
+ mutex_lock(&kvm->lock);
+ if (kvm->arch.xics)
+ ret = -EEXIST;
+ else
+ kvm->arch.xics = xics;
+ mutex_unlock(&kvm->lock);
How is that racy?
Sorry, it's not -- I must have been looking at the previous version of
the patchset by mistake. :-(
-Scott
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